diethyl

4.It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.

众所周知，醇纳和二苯二酸反应可以得到酸苯和二碳酸。

Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.

目的研究以庚醛和原甲酸三原料制备庚醛二缩醛的工艺条件。

and for nitroethane there were nitroficating low carbon alkane, chloroethane, and diethyl sulfate;

1硝采用和烯硝化法;

Crystalline polypyrene microsheets were electrosynthesized in the medium of boron trifluoride diethyl etherate for the first time.

4.在三氟化硼醚介质,电合芘首次制备出结晶型的芘微米片。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳酸二(DEC)化试剂,与苯酚在气固相条件下催化合成苯醚。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于酮、苯、甲苯、二硫化碳、二氯，微溶于醇和醚，不易溶于水和汽油。

This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.

讨论了以草酸二原料,经过克莱森缩合、环合、氨解反应合成5甲异唑3甲酰胺工艺的改进。

A new method for the synthesis of 1 methyl 3 propylpyrazole 5 carboxlic acid from 2 pentanone and diethyl oxalate is reported.

以2-戊酮和草酸二起始原料,经缩合、与甲肼环合、水解等三个步骤合成了1-甲-3-吡唑-5-羧酸。

The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.

该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二硫代磷酰氯。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂催化剂,十三碳二元酸与醇原料合成十三碳二元酸二,考察了影响反应的因素。

The products in the preparation of diethyl carbonate (DEC) from diethyl oxalate (DEO) by decarbonylation over K2CO3/AC (activated carbon) were analyzed by gas chromatography-mass (GC-MS).

摘要采用气相色谱-质谱联用（程序升温）的方法对K2CO3/性炭上催化草酸二(DEO)气相脱羰制碳酸二(DEC)的反应产物进行了分析。

Entomologist Stephen Doggett, who runs the NSW Health arbovirus program which monitors mosquitoes and the diseases they carry is firmly in the DEET (diethyl toluamide) camp.

负责新南威尔士卫生局虫媒病毒项目的昆虫学家斯蒂芬·多格特赞成使用避蚊胺。该项目监控蚊子和它们自身携带的多种疾病。